<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Do<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>考试</title>
	<style type="text/css">
		form {
			width: 500px;
			height: 300px;
			border: 1px solid #000;
			margin: 0 auto;
		}
		h1{
			height: 300px;
			line-height: 300px;
			text-align: center;
		}
	</style>
</head>
<body>
	<form action="">
		<h1>恭喜您,登陆成功</h1>
	</form>
</body>


</html>